Document Revision History

This table describes the changes to Grand Central Dispatch (GCD) Reference.

DateNotes
2011-11-18Added iOS availability information.
2011-10-12Added new symbols introduced in OS X v10.7 and iOS 5.
2010-05-11Updated to reflect support for iOS.
2010-02-01Fixed several typographical errors and added some missing constants.
2009-08-19New document that describes the Grand Central Dispatch API for efficient use of multicore systems.



© 2011 Apple Inc. All Rights Reserved. (Last updated: 2011-11-18)

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